Results 71 to 80 of about 71,893 (332)

Flight test results of the strapdown hexad inertial reference unit (SIRU). Volume 2: Test report [PDF]

Results of flight tests of the Strapdown Inertial Reference Unit (SIRU) navigation system are presented. The fault tolerant SIRU navigation system features a redundant inertial sensor unit and dual computers.
Bjorkman, W. S., Hruby, R. J.
core   +1 more source

A simple dead-reckoning navigational system [PDF]

, 1972
Simple navigation system is designed for vehicles operating in remote locations where it is not feasible to transport extensive equipment. System consists of four main components: directional gyrocompass to establish inertial direction; odometer to ...
Broussard, P., Jr., Mastin, W. C., Walls, B. F.   +2 more
core   +1 more source

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

Advanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long, Huanyu Zhou, Jaewan Ko, Hongwei Tan, Jaemin Lim, Yanfei Zhao, Daehan Kang, Eojin Yoon, Gyeong‐Tak Go, Somin Kim, Seung‐Woo Lee, Chan‐Yul Park, Hyojun Choi, Hyeran Kim, Hyung Joong Yun, Sung Hyuk Park, Kwan Sik Park, Jeong Woo Park, Mungeun Kim, Yong Soo Cho, Ho Won Jang, Wenqiang Yang, Min Hyuk Park, Wan Ki Bae, Sebastiaan van Dijken, Joona Bang, Tae‐Woo Lee   +26 more
wiley   +1 more source

Analysis of random vibration response of inertial navigation vibration reduction system

Ain Shams Engineering Journal
The substructure method based on the frequency response function is an effective method to solve the frequency response function of locally variable structure, which is especially suitable for the design of vibration absorber parameters in the inertial ...
Ping Wang, Guangpeng Zhang, Fei Wei
doaj   +1 more source

NASA tracking ship navigation systems [PDF]

The ship position and attitude measurement system that was installed aboard the tracking ship Vanguard is described. An overview of the entire system is given along with a description of how precise time and frequency is utilized.
Mckenna, J. J.
core   +1 more source

Improving Foot-Mounted Inertial Navigation Through Real-Time Motion Classification

, 2018
We present a method to improve the accuracy of a foot-mounted, zero-velocity-aided inertial navigation system (INS) by varying estimator parameters based on a real-time classification of motion type.
Kelly, Jonathan, Peretroukhin, Valentin, Wagstaff, Brandon   +2 more
core   +1 more source

All‐3D‐Printed Multi‐Environment Modular Microrobots Powered by Large‐Displacement Dielectric Elastomer Microactuators

Advanced Materials, EarlyView.
Fully 3D‐printed modular microrobots capable of performing a broad range of tasks across diverse environments are demonstrated. The key breakthrough lies in the development of a large‐displacement microactuator for multi‐environment navigation and a mesoscale multimaterial 3D printing platform for on‐demand module fabrication.
Won Jun Song, Yong‐Woo Kang, Yun Hyeok Lee, Junhyung Kim, Bastien F.G. Aymon, Seong‐Yu Choi, Yong Eun Cho, Xiao‐Yun Yan, Shucong Li, Younghoon Lee, Xuanhe Zhao, Yong‐Lae Park, Jeong‐Yun Sun   +12 more
wiley   +1 more source

A Roadmap for Plasma‐Enabled Electrocatalysis in Urea Production

Advanced Materials, EarlyView.
A modular plasma—electrochemical platform enables fully electrified urea synthesis from air and CO2 under ambient conditions. This Review integrates plasma oxidation, C─N coupling electrolysis, mechanistic insights, and techno‐economic metrics into a roadmap for scalable, distributed, and renewable fertilizer production.
Jingwen Huang, Zhongping Qu, Renwu Zhou, Jing Sun, Rusen Zhou, Dorna Esrafilzadeh, Ali R. Jalili   +6 more
wiley   +1 more source

Development of the algorithm for aircraft control at inaccurate measurement of the state vector and variable accuracy parameter [PDF]

, 2018
A parametric method of the synthesis of control in the closed circuit, taking into account explicitly generalized error of the inertial module, is presented.
Cherepnov, I., Isakov, O., Khatsko, N., Kiriyenko, N., Krepchenko, S., Makogon, H., Polyansky, A., Zadorozhnya, V.   +7 more
core   +2 more sources

Physical Intelligence in Small‐Scale Robots and Machines

Advanced Materials, EarlyView.
“Physical intelligence” (PI) empowers biological organisms and artificial machines, especially at the small scales, to perceive, adapt, and even reshape their complex, dynamic, and unstructured operation environments. This review summarizes recent milestones and future directions of PI in small‐scale robots and machines.
Huyue Chen, Metin Sitti
wiley   +1 more source